4020016 has 80 divisors (see below), whose sum is σ = 10499328. Its totient is φ = 1440000.

The previous prime is 4020011. The next prime is 4020017. The reversal of 4020016 is 6100204.

4020016 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

4020016 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 4019978 and 4020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15891 + ... + 16141.

Almost surely, 2^4020016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5249664).

4020016 is an abundant number, since it is smaller than the sum of its proper divisors (6479312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4020016 is a wasteful number, since it uses less digits than its factorization.

4020016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4020016 is about 2004.9977556097. The cubic root of 4020016 is about 159.0044432655.

The spelling of 4020016 in words is "four million, twenty thousand, sixteen".